Segments (Tables)

9 Months Ended

Oct. 31, 2017

Segment Reporting Information, Profit (Loss) [Abstract]

Segment net sales

Net sales by segment are as follows:

	Three Months Ended October 31,				Nine Months Ended October 31,
(Amounts in millions)	2017		2016		2017		2016
Net sales:
Walmart U.S.	$	77,724	$	74,550	$	231,898	$	224,086
Walmart International	29,548		28,390		84,976		85,094
Sam's Club	14,864		14,236		43,737		42,387
Net sales	$	122,136	$	117,176	$	360,611	$	351,567

Segment operating income, interest expense, net, and income from continuing operations before income taxes

Operating income by segment, as well as operating loss for corporate and support, interest, net, and loss on extinguishment of debt are as follows:

	Three Months Ended October 31,						Nine Months Ended October 31,
(Amounts in millions)	2017			2016			2017			2016
Operating income (loss):
Walmart U.S.	$	4,030		$	3,999		$	12,917		$	12,750
Walmart International	1,249			1,354			4,004			4,245
Sam's Club	447			396			1,265			1,281
Corporate and support	(962		)	(630		)	(2,216		)	(1,717		)
Operating income	4,764			5,119			15,970			16,559
Interest, net	541			585			1,679			1,712
Loss on extinguishment of debt	1,344			—			2,132			—
Income before income taxes	$	2,879		$	4,534		$	12,159		$	14,847